/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package ar.uba.fi.posgrado.common.web.action.user;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ar.uba.fi.posgrado.academy.model.Body;
import ar.uba.fi.posgrado.academy.service.BodyService;
import ar.uba.fi.posgrado.common.dao.NoSuchEntityException;
import ar.uba.fi.posgrado.common.model.Role;
import ar.uba.fi.posgrado.common.model.User;
import ar.uba.fi.posgrado.common.service.UserService;
import ar.uba.fi.posgrado.common.util.CommonUtils;
import ar.uba.fi.posgrado.common.web.form.UserForm;

/**
 * Action para guardar un usuario.<br>
 * 
 * @author pablo.tortorella
 */
public class SaveUserAction extends Action {

	/** Logger */
	private static Logger logger = Logger.getLogger(SaveUserAction.class);

	private UserService userService;

	private BodyService bodyService;

	/**
	 * @param bodyService
	 *            the bodyService to set
	 */
	public void setBodyService(BodyService bodyService) {
		this.bodyService = bodyService;
	}

	/**
	 * @param userService
	 *            the userService to set
	 */
	public void setUserService(UserService userService) {
		this.userService = userService;
	}

	/**
	 * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
	 *      org.apache.struts.action.ActionForm,
	 *      javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse)
	 */
	@SuppressWarnings("unchecked")
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		if (logger.isDebugEnabled()) {
			logger.debug("Por guardar un usuario modificado...");
		}
		boolean isNewUser = false;
		UserForm form = (UserForm) actionForm;

		List<String> roleNames = form.getChosenRolesAsList();
		List<Role> actualRoles = userService.getRolesByName(roleNames);
		logger.info("Roles elegidos: " + roleNames);

		String userName = form.getName();

		Long bodyId = new Long(form.getSelectedBody());
		Body body = this.bodyService.getById(bodyId);

		User user = null;
		try {
			user = this.userService.getUserByName(userName);
		} catch (NoSuchEntityException e) {
			// se trata de la cracion de un usuario
			user = new User();
			user.setName(userName);
			isNewUser = true;
		}

		user.setPassword(form.getPassword());
		user.setRealName(form.getRealName());
		user.setSurname(form.getSurname());
		user.setRoles(CommonUtils.listToSet(actualRoles));
		user.setBody(body);

		if (isNewUser) {
			this.userService.createUser(user);
		} else {
			this.userService.modifyUser(user);
		}
		logger.info("Usuario: " + userName + " modificado con exito");
		return mapping.findForward("success");
	}
}
